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HP EliteBook 8540P RAM Upgrade Installation instructions with 2nd RAM under keyboard - YouTube
CMS 16GB (2X8GB) DDR3 10600 1333MHZ Non ECC SODIMM Memory Ram Upgrade Compatible with HP/Compaq® Elitebook 8540P Notebook Sodimm - A13 at Amazon.com
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HP EliteBook 8540p 15.6” New 250GB SSD 8GB RAM 1GB Dedicated Graphics - computers - by owner - electronics sale -...